I received this message from one of our faculty that uses the Collaborations Tool quite regularly. It sounds like it might be related to the Page Error that you mention above:
"After creating a collaboration, a new tab opens usually with the blank google doc collaboration. Instead, this appears. The cause is unknown. It should be investigated.

If one goes back to the collaboration after this and opens it, and clicks on "share" on the Google Doc, and "advanced" one sees that the members are not added.
The solution is to go back into Collaborations, and click on the edit pencil icon on the collaboration, and then click on "update collaboration" .
After that, one can go back to the collaboration, click on it, open it, and the members are, magically, there as they should have been in the first place.
Most of the time it works, but about every 5 or so, it doesn't. "
Thank you for any input you can give on this!
Deb
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